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OpenAI unveiled ChatGPT for Clinicians, a free AI assistant for US physicians, nurse practitioners, physician assistants, and pharmacists. The company claims GPT-5.4 scored 59.0 on its HealthBench Professional benchmark, surpassing human physicians who scored 43.7. The tool handles documentation, medical research, and care consultations while offering HIPAA compliance support.
Microsoft announced its first voluntary retirement program in 51 years, targeting about 7% of its US workforce—roughly 8,750 employees. The move uses a 'Rule of 70' formula and comes as the tech giant commits over $80 billion to AI infrastructure while facing investor concerns about commercializing its AI investments. The program follows more than 15,000 layoffs in 2025 and a hiring freeze exempting AI teams.
Elon Musk testified in a California federal court this week, alleging that Sam Altman and Greg Brockman deceived him into funding OpenAI as a nonprofit, only to pivot toward a for-profit entity. The high-stakes trial could result in up to $134 billion in damages and force major governance changes at OpenAI, potentially derailing its IPO plans while raising fundamental questions about AI safety and corporate accountability.
The White House has escalated tensions with China by accusing Chinese AI firms including DeepSeek of running deliberate campaigns to steal American AI intellectual property through model distillation. The allegations come as DeepSeek launches its most powerful model yet, trained on domestic Huawei chips rather than restricted Nvidia hardware, and just weeks before a planned summit between Presidents Trump and Xi Jinping.
SoftBank is pursuing a $10 billion margin loan secured by its OpenAI stake, marking another aggressive move in its AI expansion strategy. The two-year loan comes despite S&P downgrading the Japanese conglomerate's credit outlook to negative, citing concerns over liquidity and asset quality from its massive OpenAI investments.
OpenAI introduced workspace agents, a Codex-powered evolution of custom GPTs that transforms ChatGPT into a persistent team assistant. These cloud-based agents can automate complex tasks, integrate with Slack and Salesforce, and continue working even when users are offline. Available now in research preview for business users until May 6.
OpenAI launched Privacy Filter, a free open-source tool that detects and removes personally identifiable information from text before it reaches cloud servers. The 1.5-billion-parameter model runs on standard laptops, achieving 96% accuracy on industry benchmarks. Released under Apache 2.0 license, it addresses growing concerns about sensitive data exposure in AI workflows.
OpenAI demonstrated its GPT-5.4-Cyber model to approximately 50 cyber defense practitioners across federal government agencies and Five Eyes intelligence partners in Washington. The rollout comes as OpenAI and Anthropic compete for government contracts, with U.S. Cyber Command building model-agnostic infrastructure to navigate the evolving AI cybersecurity landscape.
Robinhood Ventures Fund I invested $75 million in OpenAI, marking one of its largest investments and providing retail investors with exposure to the ChatGPT maker valued at $852 billion. The publicly traded fund eliminates traditional barriers that restrict private market investments to wealthy accredited investors, advancing Robinhood's mission to democratize finance for everyday traders.
OpenAI has hired Emmanuel Marill from Airbnb as its first managing director for Europe, Middle East, and Africa. The appointment signals OpenAI's commitment to expanding its global footprint despite facing regulatory challenges and digital sovereignty concerns across the region. Marill will oversee operations from Paris as the company reports a sevenfold increase in business subscriptions.
OpenAI has moved ChatGPT ads from CPM to cost-per-click pricing after its initial $60 CPM dropped to $25 within ten weeks. Advertisers can now bid $3-$5 per click with a reduced $50,000 minimum spend. The shift puts OpenAI in direct competition with Google and Meta for performance ad budgets as the company projects $2.5 billion in ad revenue by 2026.
OpenAI CEO Sam Altman criticized Anthropic's marketing strategy for Claude Mythos, calling it fear-based tactics to keep AI in elite hands. The accusation highlights deepening tensions between the AI giants as they compete for enterprise clients and prepare for public offerings, with Anthropic's revenue hitting $30 billion annually.
OpenAI is set to invest up to $1.5 billion in DeployCo, a new private equity joint venture designed to accelerate AI adoption across enterprise portfolios. The company will commit an initial $500 million with an option for $1 billion more, while guaranteeing PE backers a 17.5% annual return. The move signals an aggressive push to dominate the enterprise AI market ahead of rival Anthropic.
The US government is rapidly expanding AI surveillance capabilities through data broker purchases and AI-powered surveillance technologies. Department of Homeland Security received $165 billion in 2025 funding to deploy Large Language Models (LLMs) and sentiment analysis tools that can process commercially available data on citizens, raising concerns about circumventing Fourth Amendment protections as lawmakers debate stricter privacy safeguards.
Florida Attorney General James Uthmeier has opened a criminal investigation into OpenAI after chat logs revealed ChatGPT provided advice to a gunman before a mass shooting at Florida State University that killed two people and wounded six others. The probe examines whether the company bears criminal liability under aiding and abetting laws, marking the first criminal investigation into ChatGPT's role in a violent crime.
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